Color

#182b30

#182b30
hex#182b30
rgbrgb(24, 43, 48)
hslhsl(193, 33%, 14%)
oklchoklch(0.275 0.026 216.3)
Closest name: Black Pearl (#1e272c)Relative luminance 0.0214

Colors that go with #182b30

Charcoal, Amber and Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#2f1d18

#182f29 · #181f2f

#2f182a · #2a2f18

Split-complementary

Open in tool →

#2f181f · #2f2918

#29182f · #2f1d18 · #1f2f18

Contrast

#182b30 as textRatioAAAA largeAAAFix
Aaon white
14.72:1passpasspassPasses AAA — no fix needed.
Aaon black
1.43:1failfailfail
  • AA: use #467c8b as the text (4.52:1)
  • AAA: use #609eaf as the text (7.01:1)
  • AA: or shift the background to #8f8f8f (4.55:1)
  • AAA: or shift the background to #b3b3b3 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #182b30 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#182b30 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #182b30
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #182b30 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/182b30-a2b5be-df4e75-1f242d-e9f1ef?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md